By default the Component Builder shows the most common Joyo kanji components (ie, components which are themselves Joyo kanji, or which are used in at least 3 other Joyo kanji). Select an alternative set of components below.

Most common Joyo kanji componentsStandard radicals (and their variants)All components and radicals

Wherever you see the green star,
you can tag any kanji, word or grammar point for future reference in your
Favorites list, which is accessible from the main menu.
You can automatically create flashcards from your Favorites,
or use Quick Study to study them any time.

The Kanshudo kanji usefulness rating shows you how useful a kanji is for you to learn.

has a Kanshudo usefulness of , which means it is among the most useful kanji in Japanese.

is one of the 138 kana characters, denoted with a usefulness rating of K. The kana are the most useful characters in Japanese, and we recommend you thoroughly learn all kana before progressing to kanji.

All kanji in our system are rated from 1-8, where 1 is the most useful.
The 2136 Jōyō kanji have usefulness levels from 1 to 5, and are denoted with badges like this: